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LUN.TO ·

Lundin Mining Announces TSX Approval for a Normal Course Issuer Bid

Corporate Actions

Corporate Office

150 King Street West, Suite 2200

P.O. Box 38, Toronto, ON M5H 1J9

Phone: +1 416 342 5560

Fax: +1 416 348 0303

lundinmining.com

NEWS RELEASE

Lundin Mining Announces TSX Approval for a Normal Course Issuer Bid

Toronto, December 6, 2021 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin

Mining” or the “Company”) announces that the Toronto Stock Exchange (the “TSX”) has accepted the notice of

Lundin Mining’s intention to renew its normal course issuer bid (the “NCIB”).

The Company intends to continue to utilize the NCIB at its discretion to make opportunistic purchases to create

shareholder value and manage the number of outstanding common shares of the Company (the “Common

Shares”).

This approval allows the Company to purchase up to 63,762,574 Common Shares, representing 10% of t he

735,122,870 issued and outstanding Common Shares as of November 30, 2021, minus those Common Shares

beneficially owned, or over which control or direction is exercised by the Company, the senior officers and

directors of the Company and every shareholder who owns or exercises control or direction over more than

10% of the outstanding Common Shares , over a period of twelve months commencing on December 9, 2021.

The NCIB will expire no later than December 8, 2022.

All purchases made pursuant to t he NCIB will be made through the facilities of the TSX or other alternative

Canadian trading systems. In accordance with TSX rules, any daily purchases (other than pursuant to a block

purchase exemption) on the TSX under the NCIB are limited to a maximum of 565,398 Common Shares, which

represents 25% of the average daily trading volume of 2,261,595 Common Shares on the TSX for the six months

ended November 30, 202 1. The price that Lundin Mining will pay for Common Shares in open market

transactions will be the market price at the time of purchase.

In connection with the NCIB renewal, Lundin Mining entered into an automatic repurchase plan with its

designated broker to allow for the repurchase of Common Shares at times when the Company ordinarily would

not be active in the market due to its own internal trading blackout periods, insider trading rules or otherwise

(any such period being an “Operating Period”). Before entering an Operating Period, the Company may, but is

not required to, instruct the designated broker to make purchases under the NCIB in accordance with the terms

of the plan. Purchases made pursuant to the plan, if any, will be made by the Company’s designated broker

based upon the parameters prescribed by the TSX, applicable Canadian securities l aws and the terms of the

written agreement entered between the Company and its designated broker. Outside of these Operating

Periods, Common Shares will be purchasable by Lundin Mining at its discretion under its NCIB.

The automatic repurchase plan will co mmence on the effective date of the NCIB and will terminate on the

earliest of the date on which: (i) the purchase limit under the NCIB has been reached; (ii) the NCIB expires; and

(iii) the Company terminates the automatic repurchase plan in accordance wi th its terms. The automatic

repurchase plan constitutes an “automatic plan” for purposes of applicable Canadian securities legislation and

the agreement governing the plan has been pre-cleared by the TSX.

The actual number of Common Shares that may be purc hased and the timing of such purchases will be

determined by the Company. Decisions regarding purchases will be based on market conditions, share price,

best use of available cash, and other factors. Any Common Shares that are purchased under the NCIB will be

cancelled.

Under the Company’s current NCIB that commenced on December 9, 2020 and expires on December 8, 2021,

the Company previously sought and received approval from the TSX to purchase up to 63,682,170 Common

Shares. As of November 30, 2021, the Company has purchased 4,323,100 Common Shares under its current

NCIB through open market transactions at a weighted average price of approximately $ 11.25 per Common

Share.

About Lundin Mining

Lundin Mining is a diversified Canadian base metals mining company with operations in Brazil, Chile, Portugal,

Sweden and the United States of America, primarily producing copper, zinc, gold and nickel.

The information in this release is subject to the disclosure requirements of Lundin Mining under the EU Market

Abuse Regulation. The information was submitted for publication, through the agency of the contact persons set

out below on December 6, 2021 at 22:00 Eastern Time.

For further information, please contact:

Mark Turner, Director, Business Valuations and Investor Relations: +1 416 342 5565

Irina Kuznetsova, Manager, Investor Relations: +1 416 342 5583

Robert Eriksson, Investor Relations Sweden: +46 8 440 54 50

Cautionary Statement in Forward-Looking Information

Certain of the statements made and information contained herein is “forward -looking information” within the meaning of applicable Canadian securities laws. All

statements other than statements of historical f acts included in this document constitute forward -looking information, including but not limited to statements with

respect to Lundin Mining’s proposed normal course issuer bid, the Company’s pre -defined plan with its broker to allow for the repurchase of Common Shares, and

the number of Common Shares that may be purchased under the normal course issuer bid . Words such as “believe”, “expect”, “anticipate”, “contemplate”, “target”,

“plan”, “goal”, “aim”, “intend”, “continue”, “budget”, “estimate”, “may”, “wi ll”, “can”, “could”, “should”, “schedule” and similar expressions identify forward -looking

statements.

Forward-looking information is necessarily based upon various estimates and assumptions including, without limitation, the expectations and beliefs of management;

assumed and future price of copper, nickel, zinc, gold and other metals; anticipated costs; ability to achieve goals; the prompt and effective integration of acquisitions;

that the political environment in which the Company operates will continue to support the development and operation of mining projects; the Common Shares will,

from time to time, trade below their value ; the Company will complete purchases of Common Shares pursuant to the NCIB; and assumptions related to the factors

set forth below. While these factors and assumptions are considered reasonable by Lundin Mining as at the date of this document in light of management’s experience

and perception of current conditions and expected developments, these statements are inherently subject to significant business, economic and competitive

uncertainties and contingencies. Known and unknown factors could cause actual results to differ materially from those project ed in the forward-looking statements

and undue reliance should not be placed on s uch statements and information. Such factors include, but are not limited to: the market price of the Common Shares

being too high to ensure that purchases benefit the Company and its shareholders; and other risks and uncertainties, includin g but not limited to those described in

the “Risk and Uncertainties” section of the Annual Information Form and the “Managing Risks” section of the Company’s MD&A for the year ended December 31, 2020,

which are available on SEDAR at www.sedar.com under the Company’s prof ile. All of the forward -looking statements made in this document are qualified by these

cautionary statements. Although the Company has attempted to identify important factors that could cause actual results to di ffer materially from those contained

in forward-looking information, there may be other factors that cause results not to be as anticipated, estimated, forecast or intended and readers are cautioned that

the foregoing list is not exhaustive of all factors and assumptions which may have been used. S hould one or more of these risks and uncertainties materialize, or

should underlying assumptions prove incorrect, actual results may vary materially from those described in forward -looking information. There can be no assurance

that the Common Shares will, from time to time, trade below their value and that the Company will complete purchases of Common Shares pursuant to the NCIB.

Accordingly, there can be no assurance that forward -looking information will prove to be accurate and forward -looking information is not a guarantee of future

performance. Readers are advised not to place undue reliance on forward -looking information. The forward-looking information contained herein speaks only as of

the date of this document. The Company disclaims any intention or obligation to update or revise forward-looking information or to explain any material difference

between such and subsequent actual events, except as required by applicable law.